package BC86_奇偶统计;

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int odds = 0;
        int even = 0;

        for (int i = 1; i <= n; i++){
            if (i % 2 == 0){
                even++;
            }else {
                odds++;
            }
        }
        System.out.println(odds + " " + even);
    }
}
